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A cross between true-breeding sharp-spined cactus and a spineless cactus would produce?
All sharp-spined progeny.
What caused variation?
Cross pollination, mutation and polyploidy lead to variations in the progeny
What is cross in science?
One type of cross is the cross or vector product of a pair of 3D vectors. If there are two unit vectors that are not parallel, their vector product is a vector that is normal to the plane containing the two vectors, so it's a good way to find that plane. In biological science, cross signifies the mating of two genotypes to produce its progeny. It may be among homozygous or heterozygous parents.
What is the difference between a test cross and a back cross in genetic?
In a test cross, an individual with a dominant phenotype is crossed with a homozygous recessive individual to determine the genotype of the dominant individual. In a back cross, an individual is crossed with one of its parents or an individual with a similar genotype to assess genetic linkage or to maintain a specific trait in offspring.
Which type of cross would produce 100 percent heterozygous offspring?
A cross between two homozygous parents will form a 100 percent chance of a heterozygous offspring. One homozygous parent must have the dominant allele, and the other must have the recessive allele. So, if the circumstances are correct, these characteristics will make for a 100 percent chance of a heterozygous offspring.
When you multiply fraction do you cross multiply?
No you only cross multiply when your working with percent
What fraction of the progeny of the cross BbTt x BBtt will have black fur and long tails?
50% of the progeny will have black fur and long tails. This is because all of the offspring will inherit at least one dominant B allele for black fur, and 50% will inherit a dominant T allele for long tails.
Why does a cross between a horse and a donkey produce a mule?
DNA cross my friend.D-N-A
What happens when a pheasant fertilises a chicken egg?
The cross breeding of fowl produces some interesting combination's. Many times the eggs do not reach hatch. Various genetic malformations result in the termination of the embryo pre-hatch. Gallus Domesticus /Phasianus Colchicus crosses have resulted both in the wild and in farmyard species encounters. This type of cross breed seldom produce fertile progeny. Here is a good link showing the results.
Will A cross between two dominant homozygotes may produce a codominant animal.?
A cross between two dominant homozygotes may produce a codominant animal.
What companies produce compact elliptical cross trainers?
The companies that produce compact elliptical cross trainers are Bowflex, TreadClimber, and Proform. These companies are the best in the world at what they do.
What is 4 percent of 512.5?
percent over 100 = is over of/ fractions cross multiply 20.5
